Finding the Fourth Proportional to 2,055.16, 3,083.28 and 1,081

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.16 : 3,083.28 = 1,081 : x
2. Step 2: Convert to fraction form
   2,055.16/3,083.28 = 1,081/x
3. Step 3: Cross multiply
   2,055.16x = 3,083.28 × 1,081
4. Step 4: Simplify right side
   2,055.16x = 3,333,025.68
5. Step 5: Solve for x
   x = 3,333,025.68/2,055.16
6. Step 6: Final answer
   x = 1,621.78